Buoyancy Flows in the Slag

机译：炉渣中的浮力流

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Numerical investigation of buoyancy flows in the slag layer is carried out. The electrode temperature, the heat loss rate from the slag surface, and the immersion depth of the electrode are systematically changed to examine their effect on the flows in the slag. For the cases considered, the slag flow is dominated by the heat loss from the slag surface and the electrode temperature. Heat loss from the slag surface is caused mainly by radiation and convection heat loss only takes about 10%. Smaller immersion depth is preferable to obtain uniform heating. The results obtained from buoyancy-induced flow and heat transfer may provide some useful information for magnetodydrodynamics flows when the Lorentz forces can be neglected at a large electrode diameter.

机译：进行了渣层中浮力流的数值研究。系统地改变电极温度，炉渣表面的热损失率和电极的浸入深度，以检查它们对炉渣流动的影响。对于所考虑的情况，炉渣流主要来自炉渣表面的热量损失和电极温度。炉渣表面的热损失主要由辐射引起，对流热损失仅占约10％。为了获得均匀的加热，优选较小的浸入深度。当在较大的电极直径下可以忽略洛伦兹力时，从浮力引起的流动和热传递获得的结果可能为磁流体动力学流动提供一些有用的信息。

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来源
《International Symposium on Computer Applications in Metals Processing Aug 26-29, 2001 Toronto, Ontario, Canada》|2001年|p.57-68|共12页
会议地点 Toronto(CA);Toronto(CA);Toronto(CA)
作者
J. L. Xia; T. Ahokainen;
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作者单位

Laboratory of Materials Processing Powder Metallurgy Helsinki University of Technology PB 6200, FIN-02015, HUT Espoo, Finland;

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原文格式 PDF
正文语种 eng
中图分类自动化技术、计算机技术;
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Buoyancy Flows in the Slag

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